DS-2CD1623G2-LIZU(2.8-12mm) - is a 2MP bullet network camera designed for efficient and intelligent video surveillance, equipped with a 1/2.9" CMOS sensor and 2.8–12 mm motorized varifocal lens for maximum installation flexibility. It guarantees clear images thanks to Full HD 1920×1080 resolution , even in strong backlight conditions with WDR 120 dB . Smart Hybrid Light technology up to 50 m ensures optimal visibility day and night, while intelligent detection of people and vehicles , the integrated microphone , H.265+ compression , microSD support up to 512 GB and IP67 protection make it ideal for professional indoor and outdoor applications. Hikvision
DS-2CD1623G2-LIZU(2.8-12mm) – VARIFOCAL LENS BULLET CAMERA 2.8-12mm 2MP - HUMAN AND VEHICLE DETECTION

The Hikvision DS-2CD1623G2-LIZSU is a 2MP bullet network camera ideal for intelligent video surveillance systems, equipped with a 1/2.9" CMOS sensor and 2.8–12 mm motorized varifocal lens to adapt to different installation needs. It offers clear images in Full HD 1920×1080 , even in strong backlight conditions thanks to the 120 dB WDR . The Smart Hybrid Light technology up to 50 m ensures optimal visibility day and night, while the intelligent detection of people and vehicles , the integrated microphone , H.265+ compression , the microSD slot up to 512 GB and IP67 protection make it a reliable solution for outdoor and professional environments.
Main features:
- 2MP Full HD 1920×1080 resolution
- 1/2.9" Progressive Scan CMOS sensor
- Motorized varifocal optics 2.8–12 mm
- Smart Hybrid Light with IR and white light up to 50 m
- Intelligent Human and Vehicle Detection
- WDR 120 dB
- H.265+ video compression
- Built-in microphone for real-time audio
- MicroSD slot up to 512 GB
- PoE power supply (802.3af)
- IP67 protection rating
Further details
The camera is equipped with a 2.8–12 mm motorized varifocal lens that allows for precise framing adjustment , easily adapting to different distances and surveillance scenarios, simplifying installation and remote focusing.
It offers 2MP Full HD 1920×1080 resolution , ensuring clear and detailed images for reliable monitoring in residential and professional contexts.
The intelligent person detection function uses advanced algorithms to distinguish human movement , significantly reducing false alarms caused by objects or environmental conditions.
Vehicle detection improves control of driveways and parking areas , allowing for more accurate and targeted alarm events.
Smart Hybrid Light technology combines IR illumination and white light up to 50m , automatically adapting the lighting mode to ensure optimal visibility day and night .
The built-in microphone enables real-time audio recording , adding an extra layer of information to video events for more comprehensive security.
It supports major network protocols including TCP/IP, HTTP, RTSP, RTP, IPv4/IPv6, FTP, SMTP and ONVIF , ensuring maximum compatibility with NVRs and professional video management systems.
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Technical data sheet
| DS-2CD1083G2-LIU(4mm) | |
| Room | |
| Image Sensor | 1/2.9" Progressive Scan CMOS |
| Max. Resolution | 1920 × 1080 |
| Min. Illumination | Color: 0.005 Lux @ (F1.6, AGC ON),B/W: 0 Lux with IR |
| Shutter Time | 1/3 s to 1/100,000 s |
| Day & Night | IR cut filter |
| Angle Adjustment | Pan: 0° to 360°,tilt: 0° to 90°,rotate: 0° to 360° |
| Lens | |
| Lens Type | Varifocal lens, motorized lens, 2.8 to 12 mm |
| Focal Length & FOV | horizontal FOV 102.4° to 31.2°, vertical FOV 54.4° to 17.5°, diagonal FOV 121.8° to 35.7° |
| Lens Mount | Ø14 |
| Iris Type | Fixed |
| Openings | F1.6 |
| Illuminator | |
| Supplement Light Type | IR, White Light |
| Supplement Light Range | Up to 50 m |
| Smart Supplement Light | Yes |
| IR Wavelength | 850mm |
| Video | |
| Main Stream | 50Hz: 25fps (1920×1080, 1280×720) 60Hz: 30fps (1920×1080, 1280×720) |
| Sub-Stream |
50Hz: 25fps (640×480, 640×360) |
| Video Compression |
Main stream: H.265+/H.265/H.264+/H.264, |
| Video Bit Rate |
32 Kbps to 16 Mbps |
| H.264 Type |
Baseline Profile, Main Profile, High Profile |
| H.265 Type |
Main Profile |
| Bit Rate Control |
CBR,VBR |
| Region of Interest (ROI) |
1 fixed region for main stream |
| Scalable Video Coding (SVC) |
H.264 and H.265 encoding |
| Audio | |
| Audio Type | Mono sound |
| Environment Noise Filtering | Yes |
| Audio Sampling Rate | 8 kHz/16 kHz |
| Audio Compression |
G.711ulaw/G.711alaw/G.722.1/G.726/MP2L2/PCM/AAC-LC |
| Audio Bit Rate |
64 Kbps (G.711 ulaw)/64 Kbps (G.711 alaw)/16 Kbps (G.722.1)/16 Kbps (G.726)/32 to 160 Kbps (MP2L2)/16 to 64 Kbps (AAC-LC) |
| Network | |
| Security |
Password protection, complicated password, watermark, basic and digest authentication for HTTP, WSSE and digest authentication for Open Network Video Interface, security audit log, host authentication (MAC address) |
| Simultaneous Live View |
Up to 6 channels |
| API | Open Network Video Interface (Profile S, Profile T, Profile G (only -F model supports)),ISAPI,SDK |
| Protocols | TCP/IP, ICMP, DHCP, DNS, HTTP, RTP, RTSP, NTP, IGMP, IPv6, UDP, QoS, FTP, SMTP |
| User/Host |
Up to 32 users. |
| Client |
iVMS-4200, Hik-Connect, Hik-Central |
| Web Browser |
Plug-in required live view: IE 10, IE 11 |
| Image | |
| Wide Dynamic Range (WDR) |
Digital WDR |
| SNR | ≥ 52 dB |
| Day/Night Switch |
Day, Night, Auto, Schedule |
| Image Enhancement | BLC, HLC, 3D DNR |
| Image Settings |
Rotate mode, saturation, brightness, contrast, sharpness, gain, white balance, adjustable by client software or web browser |
| Privacy Mask |
4 programmable polygon privacy masks |
| Interface | |
| Ethernet Interface | 1 RJ45 10M/100M self-adaptive Ethernet port |
| On-Board Storage | Built-in memory card slot, support microSD/microSDHC/microSDXC card, up to 512GB |
| Built-in Microphone | Yes, 1 built-in microphone |
| Reset Key | Yes |
| Event | |
| Basic Event | Motion detection (support alarm triggering by specified target types (human and vehicle)), video tampering alarm, exception (network disconnected, IP address conflict, illegal login, HDD full, HDD error) |
| Linkage | Upload to FTP/memory card, notify surveillance center, send email, trigger recording, trigger capture, audible warning, (-S model) trigger alarm output |
| General | |
| Power |
12 VDC ± 25%, 0.9 A, max. 11 W,Ø5.5 mm coaxial power plug,reverse polarity protection, |
| Material |
Metal & Plastic |
| Dimension |
Ø105 mm × 252 mm (Ø4.13 × 9.92\")" |
| Package Dimension |
315 mm × 137 mm × 141 mm (12.40" × 5.39" × 5.55") |
| Weight |
Approx. 570 g (1.3 lb.) |
| With Package Weight |
Approx. 900 g (2.0 lb.) |
| Storage Conditions |
-30 °C to 60 °C (-22 °F to 140 °F). Humidity 95% or less (non-condensing) |
| Startup and Operating Conditions |
-30 °C to 60 °C (-22 °F to 140 °F). Humidity 95% or less (non-condensing) |
| Language |
English, Ukrainian |
| General Function |
Heartbeat, anti-banding, mirror, password protection, password reset via email |
| Approval | |
| EMC | CE-EMC: EN 55032:2015+A1:2020, EN 50130-4:2011+A1:2014, EN IEC 61000-3-2:2019+A1:2021, EN 61000-3-3:2013+A1:2019+A2:2021, RCM: AS/NZS CISPR 32: 2015, IC: ICES-003: Issue 7, |
| Safety | UL: UL 62368-1, CB: IEC 62368-1: 2014+A11, CE-LVD: EN 62368-1: 2014/A11: 2017, BIS: IS 13252 (Part 1): 2010/IEC 60950-1: 2005 |
| Environment |
CE-RoHS (2011/65/EU) |
| Protection |
IP67: IEC 60529-2013 |


